Bottom Discharge EPS Pre Expansion Machine

Bottom Discharge EPS Pre Expansion Machine

WINPLUS eps Preexpander machine has automatic cleaning function. When beads gravity changes, it is not necessary for the operator go inside the drying bed to clean the beads manually, the operator only need to push a button in the MMI, the cleaning will run automatically, in few minutes the...

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Product Details

eps expanding machine.jpg

eps expanding machine.jpg 

Fully Automatic Batch Type Pre-expander expanded polystyrene machine


Working principle of the batch type, to expand a fixed mass of raw material in a fixed volume which enables to reach easily desired density 

Dosing Unit, to weigth the rigth amount of EPS for the adjusted density. Filling to the vessel is done by gravity. 


Expansion chamber made of AISI 304 stainless steel, cylindrical shape. 

Agitator and accessories made of AISI 304 stainless steel, speed control via drive. With the adjustable speed in different steaming phases, enables processing of different materials. 

Discharge door located on the floor of the vessel, to empty the chamber fast. 

Fluidized bed dryer, inside floor parts made of AISI 304 stainless steel, where the expanded material going out from the expansion chamber to dry the beads. The unit is equipped with a steam-air heat exchanger inside, which avoid the beads from thermal shock. 

Material Transport unit, has a rotary valve system, to send the material to the silos. 

Machine has a built-in silo control system, with the rigth hardware you can operate this part. Pre-expanded beads from the pre-expander conveyed to the storage silos for 1st and 2 nd expansion stages

After the pre-expansion, you can select the silo from the display, where you want to send the eapanded material. The operator can select several silos at the same time with a priority. 

The system follows the selection after the order finishes the machine stops as well. For 2nd expansion, same selection steps are possible. From all the silos, you can make 2nd expansion process. 

This conveying system named silo top distribution and all the operation controlled via pre-expander panel. 

High Density processing: The air and steam adjustment can be done automatically, in quantity and temperature during all expansion stages.



Capacity of different type machine





Below is  some picntures of our Winplus EPS expanding machine detail for your reference.


Panasonic PLC.jpgFormula Storage  System.jpg
Panasonic PLCFormula Storage  System


Cabinet assembled professioally.jpgTYPE YF3000 pre-expanding machine for one customer.jpgPID Valve from Germany.jpg
Cabinet Assembled 


TYPE YF3000 Pre-expanding

 Machine For One Customer

PID Valve --Gemu


Bottom Discharge Door.jpgPneumatic cabinet.jpg
Bottom Discharge DoorPneumatic Cabinet
Angle valves are all imported from Gemu Germany.jpgShipment to the customer.jpgLeveling sensor control box.jpg

Angle Valves Are All Imported 

From Gemu Germany

Shipment To The Customer

Leveling Sensor Control Box


Winplus is well-known as one of the leading EPS expander manufacturers and suppliers in China. We will offer you the best price and service.used automatic


Welcome to contact us, we will never make you unsatisfied


Contact information



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